Update index files

updateIndexFiles.scala

def updateIndexFiles(newFile: IndexPage.File) =
  for {
    _     <- logger.info("Retrieving index page")
    files <- getIndexByNamePage.map(IndexPage.parseFiles)
    _     <- logger.info(s"Retrieved index page with ${files.size} files")
    _     <- uploadNewIndexFiles(files, newFile)
  } yield ()

def uploadNewIndexFiles(files: List[IndexPage.File], newFile: IndexPage.File) = {
  val newFiles              = files.toSet + newFile
  val newIndexByName        = IndexPage.render(IndexPage.Sorting.Name, newFiles)
  val newIndexByDescription = IndexPage.render(IndexPage.Sorting.Description, newFiles)
  val newIndexByWordCount   = IndexPage.render(IndexPage.Sorting.WordCount, newFiles)
  val mimeType              = "text/html"
  (
    uploadFileStream(newIndexByName, IndexPage.indexByNamePage, mimeType),
    uploadFileStream(newIndexByDescription, IndexPage.indexByDescriptionPage, mimeType),
    uploadFileStream(newIndexByWordCount, IndexPage.indexByWordCountPage, mimeType)
  ).parTupled.void
}